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Finding the Fourth Proportional to 13,037.04, 17,972.34 and 9,304.56

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Solution

The fourth proportional to 13,037.04, 17,972.34 and 9,304.56 is: 12,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.04 : 17,972.34 = 9,304.56 : x
  2. Step 2: Convert to fraction form
    13,037.04/17,972.34 = 9,304.56/x
  3. Step 3: Cross multiply
    13,037.04x = 17,972.34 × 9,304.56
  4. Step 4: Simplify right side
    13,037.04x = 167,224,715.87
  5. Step 5: Solve for x
    x = 167,224,715.87/13,037.04
  6. Step 6: Final answer
    x = 12,826.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.